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Two Stage Rotary Screw Air Compressor

TECHNICAL SPECIFICATION OF PM+VFD SCREW COMPRESSOR

Model ECTS-30D ECTS-40D ECTS-50D ECTS-60D ECTS-75D ECTS-100D ECTS-125D ECTS-150D ECTS-175D ECTS-200D ECTS-250D
POWER (KW) 22 30 37 45 55 75 90 110 132 160 185
FREE AIR DELIVERY CFM 148 235 268 346 452 596 734 900 1045 1186 1398
144 225 250 342 441 582 699 868 988 1151 1342
123 190 208 275 377 459 618 724 830 1006 1147
133 170 190 229 303 388 505 621 699 804 974
(M?/MIM) MPA 4.2/0.7 6.6/0.7 7.6/0.7 9.8/0.7 128/07 16.9/07 20.8/0.7 25.5/0.7 29.6/0.7 33.6/0.7 39.6/0.7
4.1/0.8 6.6/0.8 71/0.8 9.7/0.8 125/08 16,5/0.8 19.8/0.8 24.6/0.8 28.0/0.8 32.6/0.8 38.0/0.8
3.5/1.0 5.4/1.0 5.9/1.0 7.8/1.0 10.7/1.0 13.0/1.0 17.5/1.0 20.5/1.0 23.5/1.0 28.5/1.0 32.5/1.0
3.2/1.3 48/13 54/13 6.5/1.3 8.6/1.3 1.0/13 14.3/1.3 17.6/1.3 19.8/1.3 23.8/1.3 27.6/1.3
NOISE (DB) 70+2 72+2 72+2 72+2 74+2 74+2 76+2 76+2 76+2 78+2 78+2
DRIVEN METHOD DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN DIRECT DRIVEN
START MATHOD PM VFD PM VFD PM VFD PM VFD PM VFD PM VFD PM VFD PM VFD PM VFD PM VFD PM VFD
MACHINE DIMENSION (L’W*H)MM 1500*1020*1310 1900*1260*1600 1900*1260*1600 1900*1260*1600 2450°1660*1700 2450*1660*1700 2450*1660*1700 3150*1980*2150 3150*1980*2150 3800*1980*2150 3800*1980*2150
WEIGHT (KG) 730 1030 1080 1680 1780 1880 2800 3160 3280 3390 3590
AIR OUTLET INCH / MM DN40 DN40 DN40 DN65 DN65 DN65 DN65 DN65 DN80 DN80 DN80

FEATURES

  • Two-stage compression reduces the compression ratio of each stage, reduces internal leakage, improves volumetric efficiency, reduces bearing load, and increases the life of the air end.
  • Two-stage PM VSD replaces single-stage compression, and the displacement is increased by nearly 15%, which can achieve an additional 15% energy saving effect.
  • The rotor adopts the latest patented rotor UV profile, which has been refined by more than 20 procedures to ensure the accuracy, reliability, and effectiveness of the rotor profile,
  • Two-stage PM VSD air compressor mainframe is more efficient and more energy-saving. It can save up to 40% energy compared with ordinary industrial frequency machines.
                                                                              

MORE ENERGY EFFICIENT

Two-stage PM VSD rotor is directly driven through the gears, and each stage of the rotor can obtain the best speed. The Air end is always running at the best energy-saving speed. The frequency conversion soft-start reduces the energy consumption of the air compressor during startup. By controlling the pressure between stages, the compressor works at the best effiency point under different working conditions.